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From: Sylvain Lemieux <slemieux.tyco@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: soc@kernel.org,
	"moderated list:ARM PORT" <linux-arm-kernel@lists.infradead.org>,
	Vladimir Zapolskiy <vz@mleia.com>,
	Russell King <linux@armlinux.org.uk>,
	Gregory Clement <gregory.clement@bootlin.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Guenter Roeck <linux@roeck-us.net>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>,
	linux-serial@vger.kernel.org,
	USB list <linux-usb@vger.kernel.org>,
	LINUXWATCHDOG <linux-watchdog@vger.kernel.org>,
	Lee Jones <lee.jones@linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 05/14] gpio: lpc32xx: allow building on non-lpc32xx targets
Date: Tue, 6 Aug 2019 16:02:27 -0400	[thread overview]
Message-ID: <CA+rxa6p4gD7+6-aRyd4-V4TvkyMiUh9ueMLc6ggBaDC=LG7fQg@mail.gmail.com> (raw)
In-Reply-To: <20190731195713.3150463-6-arnd@arndb.de>

Hi Arnd,

On Wed, Jul 31, 2019 at 4:00 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> The driver uses hardwire MMIO addresses instead of the data
> that is passed in device tree. Change it over to only
> hardcode the register offset values and allow compile-testing.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/gpio/Kconfig        |  8 +++++
>  drivers/gpio/Makefile       |  2 +-
>  drivers/gpio/gpio-lpc32xx.c | 63 ++++++++++++++++++++++++-------------
>  3 files changed, 50 insertions(+), 23 deletions(-)
>
[...]

> diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
> index 24885b3db3d5..548f7cb69386 100644
> --- a/drivers/gpio/gpio-lpc32xx.c
> +++ b/drivers/gpio/gpio-lpc32xx.c

[...]

> @@ -498,6 +509,10 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev)
>  {
>         int i;
>
> +       gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
> +       if (gpio_reg_base)
> +               return -ENXIO;

The probe function will always return an error.
Please replace the previous 2 lines with:
    if (IS_ERR(gpio_reg_base))
        return PTR_ERR(gpio_reg_base);

You can add my acked-by and tested-by in the v2 patch.
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Tested-by: Sylvain Lemieux <slemieux.tyco@gmail.com>

> +
>         for (i = 0; i < ARRAY_SIZE(lpc32xx_gpiochip); i++) {
>                 if (pdev->dev.of_node) {
>                         lpc32xx_gpiochip[i].chip.of_xlate = lpc32xx_of_xlate;
> @@ -527,3 +542,7 @@ static struct platform_driver lpc32xx_gpio_driver = {
>  };
>
>  module_platform_driver(lpc32xx_gpio_driver);
> +
> +MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("GPIO driver for LPC32xx SoC");
> --
> 2.20.0
>
Sylvain

WARNING: multiple messages have this Message-ID (diff)
From: Sylvain Lemieux <slemieux.tyco@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: soc@kernel.org,
	"moderated list:ARM PORT" <linux-arm-kernel@lists.infradead.org>,
	Vladimir Zapolskiy <vz@mleia.com>,
	Russell King <linux@armlinux.org.uk>,
	Gregory Clement <gregory.clement@bootlin.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Guenter Roeck <linux@roeck-us.net>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>,
	linux-serial@vger.kernel.org,
	USB list <linux-usb@vger.kernel.org>
Subject: Re: [PATCH 05/14] gpio: lpc32xx: allow building on non-lpc32xx targets
Date: Tue, 6 Aug 2019 16:02:27 -0400	[thread overview]
Message-ID: <CA+rxa6p4gD7+6-aRyd4-V4TvkyMiUh9ueMLc6ggBaDC=LG7fQg@mail.gmail.com> (raw)
In-Reply-To: <20190731195713.3150463-6-arnd@arndb.de>

Hi Arnd,

On Wed, Jul 31, 2019 at 4:00 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> The driver uses hardwire MMIO addresses instead of the data
> that is passed in device tree. Change it over to only
> hardcode the register offset values and allow compile-testing.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/gpio/Kconfig        |  8 +++++
>  drivers/gpio/Makefile       |  2 +-
>  drivers/gpio/gpio-lpc32xx.c | 63 ++++++++++++++++++++++++-------------
>  3 files changed, 50 insertions(+), 23 deletions(-)
>
[...]

> diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
> index 24885b3db3d5..548f7cb69386 100644
> --- a/drivers/gpio/gpio-lpc32xx.c
> +++ b/drivers/gpio/gpio-lpc32xx.c

[...]

> @@ -498,6 +509,10 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev)
>  {
>         int i;
>
> +       gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
> +       if (gpio_reg_base)
> +               return -ENXIO;

The probe function will always return an error.
Please replace the previous 2 lines with:
    if (IS_ERR(gpio_reg_base))
        return PTR_ERR(gpio_reg_base);

You can add my acked-by and tested-by in the v2 patch.
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Tested-by: Sylvain Lemieux <slemieux.tyco@gmail.com>

> +
>         for (i = 0; i < ARRAY_SIZE(lpc32xx_gpiochip); i++) {
>                 if (pdev->dev.of_node) {
>                         lpc32xx_gpiochip[i].chip.of_xlate = lpc32xx_of_xlate;
> @@ -527,3 +542,7 @@ static struct platform_driver lpc32xx_gpio_driver = {
>  };
>
>  module_platform_driver(lpc32xx_gpio_driver);
> +
> +MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("GPIO driver for LPC32xx SoC");
> --
> 2.20.0
>
Sylvain

WARNING: multiple messages have this Message-ID (diff)
From: Sylvain Lemieux <slemieux.tyco@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Lunn <andrew@lunn.ch>,
	LINUXWATCHDOG <linux-watchdog@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jason Cooper <jason@lakedaemon.net>,
	"David S. Miller" <davem@davemloft.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Gregory Clement <gregory.clement@bootlin.com>,
	USB list <linux-usb@vger.kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Vladimir Zapolskiy <vz@mleia.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	soc@kernel.org, Alan Stern <stern@rowland.harvard.edu>,
	Guenter Roeck <linux@roeck-us.net>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>,
	Lee Jones <lee.jones@linaro.org>,
	linux-serial@vger.kernel.org,
	Linus Walleij <linus.walleij@linaro.org>,
	"moderated list:ARM PORT" <linux-arm-kernel@lists.infradead.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH 05/14] gpio: lpc32xx: allow building on non-lpc32xx targets
Date: Tue, 6 Aug 2019 16:02:27 -0400	[thread overview]
Message-ID: <CA+rxa6p4gD7+6-aRyd4-V4TvkyMiUh9ueMLc6ggBaDC=LG7fQg@mail.gmail.com> (raw)
In-Reply-To: <20190731195713.3150463-6-arnd@arndb.de>

Hi Arnd,

On Wed, Jul 31, 2019 at 4:00 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> The driver uses hardwire MMIO addresses instead of the data
> that is passed in device tree. Change it over to only
> hardcode the register offset values and allow compile-testing.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/gpio/Kconfig        |  8 +++++
>  drivers/gpio/Makefile       |  2 +-
>  drivers/gpio/gpio-lpc32xx.c | 63 ++++++++++++++++++++++++-------------
>  3 files changed, 50 insertions(+), 23 deletions(-)
>
[...]

> diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
> index 24885b3db3d5..548f7cb69386 100644
> --- a/drivers/gpio/gpio-lpc32xx.c
> +++ b/drivers/gpio/gpio-lpc32xx.c

[...]

> @@ -498,6 +509,10 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev)
>  {
>         int i;
>
> +       gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
> +       if (gpio_reg_base)
> +               return -ENXIO;

The probe function will always return an error.
Please replace the previous 2 lines with:
    if (IS_ERR(gpio_reg_base))
        return PTR_ERR(gpio_reg_base);

You can add my acked-by and tested-by in the v2 patch.
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
Tested-by: Sylvain Lemieux <slemieux.tyco@gmail.com>

> +
>         for (i = 0; i < ARRAY_SIZE(lpc32xx_gpiochip); i++) {
>                 if (pdev->dev.of_node) {
>                         lpc32xx_gpiochip[i].chip.of_xlate = lpc32xx_of_xlate;
> @@ -527,3 +542,7 @@ static struct platform_driver lpc32xx_gpio_driver = {
>  };
>
>  module_platform_driver(lpc32xx_gpio_driver);
> +
> +MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("GPIO driver for LPC32xx SoC");
> --
> 2.20.0
>
Sylvain

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-08-06 20:02 UTC|newest]

Thread overview: 103+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 19:56 [PATCH 00/14] ARM: move lpc32xx and dove to multiplatform Arnd Bergmann
2019-07-31 19:56 ` Arnd Bergmann
2019-07-31 19:56 ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 01/14] usb: ohci-nxp: enable compile-testing Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-01  5:58   ` Greg Kroah-Hartman
2019-08-01  5:58     ` Greg Kroah-Hartman
2019-07-31 19:56 ` [PATCH 02/14] usb: udc: lpc32xx: allow compile-testing Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-01  5:58   ` Greg Kroah-Hartman
2019-08-01  5:58     ` Greg Kroah-Hartman
2019-08-05 12:47     ` Sylvain Lemieux
2019-08-05 12:47       ` Sylvain Lemieux
2019-08-05 12:47       ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 03/14] watchdog: pnx4008_wdt: " Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 20:23   ` Guenter Roeck
2019-07-31 20:23     ` Guenter Roeck
2019-07-31 20:26     ` Arnd Bergmann
2019-07-31 20:26       ` Arnd Bergmann
2019-07-31 20:26       ` Arnd Bergmann
2019-07-31 20:36       ` Guenter Roeck
2019-07-31 20:36         ` Guenter Roeck
2019-07-31 20:36         ` Guenter Roeck
2019-08-05 12:42         ` Sylvain Lemieux
2019-08-05 12:42           ` Sylvain Lemieux
2019-08-05 12:42           ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 04/14] serial: lpc32xx_hs: " Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-01  5:58   ` Greg Kroah-Hartman
2019-08-01  5:58     ` Greg Kroah-Hartman
2019-08-05 12:43     ` Sylvain Lemieux
2019-08-05 12:43       ` Sylvain Lemieux
2019-08-05 12:43       ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 05/14] gpio: lpc32xx: allow building on non-lpc32xx targets Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-02  7:10   ` Bartosz Golaszewski
2019-08-02  7:10     ` Bartosz Golaszewski
2019-08-02  7:10     ` Bartosz Golaszewski
2019-08-02 11:19     ` Arnd Bergmann
2019-08-02 11:19       ` Arnd Bergmann
2019-08-02 11:19       ` Arnd Bergmann
2019-08-05  8:27       ` Bartosz Golaszewski
2019-08-05  8:27         ` Bartosz Golaszewski
2019-08-05  8:27         ` Bartosz Golaszewski
2019-08-09 14:18         ` Arnd Bergmann
2019-08-09 14:18           ` Arnd Bergmann
2019-08-09 14:18           ` Arnd Bergmann
2019-08-06 20:02   ` Sylvain Lemieux [this message]
2019-08-06 20:02     ` Sylvain Lemieux
2019-08-06 20:02     ` Sylvain Lemieux
2019-08-09 14:19     ` Arnd Bergmann
2019-08-09 14:19       ` Arnd Bergmann
2019-08-09 14:19       ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 06/14] net: lpc-enet: factor out iram access Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 07/14] net: lpc-enet: move phy setup into platform code Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-06 20:11   ` Sylvain Lemieux
2019-08-06 20:11     ` Sylvain Lemieux
2019-08-06 20:11     ` Sylvain Lemieux
2019-08-06 20:12   ` Sylvain Lemieux
2019-08-06 20:12     ` Sylvain Lemieux
2019-08-06 20:12     ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 08/14] net: lpc-enet: allow compile testing Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-06 20:13   ` Sylvain Lemieux
2019-08-06 20:13     ` Sylvain Lemieux
2019-08-06 20:13     ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 09/14] serial: lpc32xx: " Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-01  5:59   ` Greg Kroah-Hartman
2019-08-01  5:59     ` Greg Kroah-Hartman
2019-07-31 19:56 ` [PATCH 10/14] ARM: lpc32xx: clean up header files Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-08-06 20:16   ` Sylvain Lemieux
2019-08-06 20:16     ` Sylvain Lemieux
2019-08-06 20:16     ` Sylvain Lemieux
2019-07-31 19:56 ` [PATCH 11/14] ARM: lpc32xx: allow multiplatform build Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 12/14] ARM: dove: clean up mach/*.h headers Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 13/14] ARM: orion/mvebu: unify debug-ll virtual addresses Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56 ` [PATCH 14/14] ARM: dove: multiplatform support Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 19:56   ` Arnd Bergmann
2019-07-31 22:53 ` [PATCH 00/14] ARM: move lpc32xx and dove to multiplatform Russell King - ARM Linux admin
2019-07-31 22:53   ` Russell King - ARM Linux admin
2019-08-01  7:33   ` Arnd Bergmann
2019-08-01  7:33     ` Arnd Bergmann
2019-08-15 13:11     ` Arnd Bergmann
2019-08-15 13:11       ` Arnd Bergmann
2019-08-15 18:32       ` Sylvain Lemieux
2019-08-15 18:32         ` Sylvain Lemieux
2019-08-15 19:38         ` Arnd Bergmann
2019-08-15 19:38           ` Arnd Bergmann

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